package com.sky.controller.user;

import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Api(tags = "C端-菜品相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    @Cacheable(cacheNames = "dish", key = "#categoryId")
    public Result<List<DishVO>> getById(Long categoryId){
        log.info("根据分类id查询菜品: {}", categoryId);

        return Result.success(dishService.getByCategoryIdWithFlavors(categoryId));
/*        //构造redis中的key, 规则: dish_分类id
        String key = "dish_" + categoryId;

        //查询redis中是否存在菜品信息
        List<DishVO> list = (List<DishVO>) redisTemplate.opsForValue().get(key);
        if (list != null && list.size() > 0){
            //如果存在, 直接返回, 无须查询数据库
            return Result.success(list);
        }


        //如果不存在, 查询数据库, 将查询到的数据放入redis中
        list = dishService.getByCategoryIdWithFlavors(categoryId);
        redisTemplate.opsForValue().set(key, list);


        return Result.success(list);*/
    }
}
